CN213752475U - Take membrane switch of braille and voice prompt - Google Patents

Abstract

The utility model provides a take membrane switch of braille and voice prompt, includes the switch main part, the switch main part includes by preceding panel layer, isolation layer, the circuit layer that sets gradually after to, be equipped with the button that a plurality of shows on the panel layer in the switch main part, be equipped with a plurality of shell fragments that trigger the circuit layer and send control signal by key drive on the isolation layer, a button correspondence has a shell fragment, the circuit layer includes that a plurality of switches on the circuit that sends control signal by the shell fragment, all is equipped with the contact that corresponds with a shell fragment on each circuit, and every button correspondence is provided with a braille, the braille is located on the panel layer, the circuit layer is connected with the language prompt module of broadcast function suggestion audio frequency when it sends control signal. The utility model discloses all be provided with a braille that accords with rather than the function name by every button for blind person's user can pass through the button on the braille discernment membrane switch, improves the rate of accuracy according to its required function button, satisfies blind person's user demand.

Description

Take membrane switch of braille and voice prompt

Technical Field

The utility model relates to a membrane switch field, concretely relates to take membrane switch of braille and voice prompt.

Background

The membrane switch is an operation system integrating a key function, an indicating element and an instrument panel, and is widely applied to the fields of electronic communication and electronic measurement instruments, industrial control, medical equipment, automobile industry, intelligent toys, household appliances and the like.

The existing membrane switch mainly comprises a switch main body, wherein the switch main body comprises a panel layer, an isolation layer and a circuit layer which are sequentially arranged from front to back, a plurality of keys which are displayed on the panel layer are arranged on the switch main body, an elastic sheet which is used for triggering the circuit layer to send a control signal through key driving is arranged on the isolation layer, a user presses the keys to drive the elastic sheet to be in contact with a contact point of the circuit layer in a matched mode, one circuit on the circuit layer is conducted to form a control instruction, so that equipment can make corresponding functions to act, and corresponding control functions are achieved. However, the touch of the existing keys is not good, so that the blind cannot accurately press the keys corresponding to the required functions, and the blind cannot identify whether the keys are pressed by mistake, so that the existing membrane switch has the problem of inconvenience for the blind to use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a take membrane switch of braille and voice prompt.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a take membrane switch of braille and voice prompt, includes the switch main part, the switch main part includes by preceding panel layer, isolation layer, the circuit layer that sets gradually after to, be equipped with a plurality of in the switch main part and show the button on the panel layer, be equipped with on the isolation layer and trigger a plurality of shell fragments that the circuit layer sent control signal by key drive, a button correspondence has a shell fragment, the circuit layer includes that a plurality of switches on the circuit that sends control signal by the shell fragment, all is equipped with the contact that corresponds with a shell fragment on each circuit, its characterized in that: each key is correspondingly provided with a braille which is consistent with the functional name of the key, the braille is arranged on the panel layer, and the circuit layer is connected with a language prompt module which plays a functional prompt audio when the circuit layer sends a control signal.

The utility model discloses in, language prompt module including be used for discernment and the processing circuit control signal's that sends signal processing module, be used for receiving signal processing module to handle the back signal and send the speaker that corresponds sound according to handling the back signal, signal processing module with the circuit with the speaker electricity is connected.

The utility model discloses in, the outside cover of switch main part is equipped with the rubber sleeve.

The utility model discloses in, be provided with between panel layer and the isolation layer and pile up first viscose layer, metal mesh layer, rubber layer, second viscose layer, the overburden that bonds in proper order after to by preceding.

In the present invention, a metal mesh for preventing static electricity and shielding electromagnetism is provided in the metal mesh layer.

The utility model discloses in, button integrated into one piece is on the rubber layer, metal mesh layer, first viscose layer, panel layer are provided with the trompil that supplies the button to pass in proper order.

The utility model discloses in, the bottom surface on circuit layer is provided with the back glue film.

The utility model has the advantages that: the utility model discloses all be provided with a braille that accords with its functional name by every button for blind person's user can pass through the braille to discern the button on the membrane switch, improves the rate of accuracy of pressing its required functional button; and simultaneously, the utility model discloses still be connected with the language prompt module of broadcast function suggestion audio frequency when it sends control signal on the circuit layer, so press the button when the blind person user and make one of them circuit on circuit layer switch on and send a control signal to equipment and language prompt module, equipment corresponds this control signal's function action according to this control signal, and the function suggestion audio frequency to corresponding control signal is broadcast to the voice prompt module, remind the blind person user to press the action of what function is being carried out to the button of which function and equipment on the membrane switch this moment, thereby make the blind person user can be established by oneself and do not press wrong button, so that the blind person user in time corrects after pressing wrong button, satisfy blind person user's user demand.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a front view of the present embodiment;

fig. 2 is a side view of the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Referring to fig. 1-2, a take membrane switch of braille and voice prompt, includes switch main body 10, switch main body 10 includes panel layer 1, isolation layer 7, the circuit layer 8 that sets gradually by preceding to back, be equipped with a plurality of on switch main body 10 and show button 20 on panel layer 1, be equipped with a plurality of shell fragment 71 that trigger circuit layer 8 and send control signal by button 20 drive on isolation layer 7, a button 20 corresponds has a shell fragment 71, circuit layer 8 includes that a plurality of switches on the circuit that sends control signal by shell fragment 71, all is equipped with the contact 81 that corresponds with a shell fragment 71 on each circuit, and shell fragment 71 and contact 81 contact cooperation make the circuit switch on and form the return circuit to can send different control signal when different circuits switch on, make equipment realize different function actions. Furthermore, each key 20 is correspondingly provided with a braille 30 which is consistent with the functional name of the key, the braille 30 is arranged on the panel layer 1, and the circuit layer 8 is connected with a language prompt module 40 which plays a functional prompt audio when the language prompt module sends a control signal; the blind user can identify the keys 20 on the membrane switch through the braille 30, the accuracy of pressing the keys 20 with the required functions is improved, the keys 20 are pressed to enable one circuit of the circuit layer 8 to be conducted and then simultaneously send a control signal to the equipment and the voice prompt module 40, the equipment performs the action corresponding to the control signal according to the control signal, the voice prompt module broadcasts the function prompt audio corresponding to the control signal, and the blind user is reminded of the function of which key 20 on the membrane switch is pressed and the action of which function the equipment is executing, so that the blind user can set whether the keys 20 are pressed by mistake or not by himself, and the blind user can correct the keys 20 in time after pressing the wrong keys 20.

Preferably, language suggestion module 40 is an integrated circuit of electricity connection on line layer 8, language suggestion module 40 including be used for discerning and the processing circuit send control signal's signal processing module, be used for receiving signal processing module processing back signal and send corresponding sound's speaker 401 according to handling the back signal, signal processing module with the circuit with speaker 401 electricity is connected, signal processing module is including storing a plurality of memory module of reminding the audio frequency, the processor module of being connected with circuit, speaker 401 and memory module electricity, and each suggestion audio frequency corresponds a control signal, and memory module is common memory, and processor module is common singlechip or can realize the control chip of the same function. The hand of the user presses one of the keys 20 of the membrane switch, one of the circuits on the circuit layer 8 is conducted to form a loop and send out a control signal, the control signal is transmitted to the equipment to enable the equipment to realize functional action, and simultaneously transmitted to the signal processing module, the signal processing module identifies the control signal and judges a prompt audio frequency corresponding to the control signal, and then the judged prompt audio frequency is transmitted to the loudspeaker 401 to be played, so that the user can judge whether the key 20 with the required function is accurately pressed by the aid of the prompt audio frequency sound sent by the loudspeaker 401, and the user experience is effectively improved.

Preferably, the rubber sleeve 50 is sleeved outside the switch main body 10, and the rubber sleeve 50 is sleeved outside the switch main body 10 to protect the switch main body 10, so that the service life of the membrane switch is prolonged.

Preferably, a first adhesive layer 2, a metal mesh layer 3, a rubber layer 4, a second adhesive layer 5 and a covering layer 6 which are sequentially stacked and bonded from front to back are arranged between the panel layer 1 and the isolation layer 7. Further, be provided with metal mesh 60 in the metal mesh layer 3, metal mesh 60 extends there is the metal lead wire, and metal mesh layer 3 can give the utility model discloses play antistatic and shielding electromagnetic effect, improved the stability of membrane switch action, reduced the maloperation and improved membrane switch's reliability. Furthermore, the key 20 is integrally formed on the rubber layer 4, and the metal mesh layer 3, the first adhesive layer 2 and the panel layer 1 are provided with openings through which the key 20 sequentially passes, so that the key 20 protrudes from the panel layer 1 for operation by a user; of course, the above structure is limited to this embodiment, and the key 20 may also be formed by directly protruding the panel layer 1 to form the key 20 integrally formed with the panel layer 1. In addition, the bottom surface of the circuit layer 8 is provided with a back glue layer 9 so as to facilitate the connection of the membrane switch with equipment or other components.

Preferably, the panel layer 1 is provided with a sound outlet 70 corresponding to the speaker 401, and the first adhesive layer 2 is provided with a notch corresponding to the sound outlet 70, so that the sound played by the speaker 401 can be transmitted out of the membrane switch. In addition, the sound outlet 70 is formed by a plurality of through holes annularly distributed on the panel layer 1.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims (7)

1. The utility model provides a take membrane switch of braille and voice prompt, includes switch main part (10), switch main part (10) include by preceding panel layer (1), isolation layer (7), the circuit layer (8) that sets gradually after to, be equipped with button (20) that a plurality of demonstration was on panel layer (1) on switch main part (10), be equipped with on isolation layer (7) and trigger a plurality of shell fragment (71) that circuit layer (8) sent control signal by button (20) drive, a button (20) correspond has one shell fragment (71), circuit layer (8) include that a plurality of switches on the circuit that sends control signal by shell fragment (71), all are equipped with contact (81) that correspond with a shell fragment (71) on each circuit, its characterized in that: each key (20) is correspondingly provided with a braille (30) which is consistent with the functional name of the key, the braille (30) is arranged on the panel layer (1), and the circuit layer (8) is connected with a language prompt module (40) which plays a functional prompt audio when the circuit layer sends a control signal.

2. The membrane switch with braille and voice prompt of claim 1, characterized in that: the language prompt module (40) comprises a signal processing module for identifying and processing the control signal sent by the circuit and a loudspeaker (401) for receiving the signal processed by the signal processing module and sending corresponding sound according to the processed signal, and the signal processing module is electrically connected with the circuit and the loudspeaker (401).

3. The membrane switch with braille and voice prompt of claim 1, characterized in that: the outside cover of switch main part (10) is equipped with rubber sleeve (50).

4. The membrane switch with braille and voice prompt of claim 1 or 3, characterized in that: a first adhesive layer (2), a metal mesh layer (3), a rubber layer (4), a second adhesive layer (5) and a covering layer (6) which are sequentially stacked and bonded from front to back are arranged between the panel layer (1) and the isolation layer (7).

5. The membrane switch with braille and voice prompt of claim 4, characterized in that: and a metal net (60) for preventing static electricity and shielding electromagnetism is arranged in the metal net layer (3).

6. The membrane switch with braille and voice prompt of claim 4, characterized in that: the key (20) is integrally formed on the rubber layer (4), and the metal mesh layer (3), the first adhesive layer (2) and the panel layer (1) are provided with holes for the key (20) to sequentially penetrate through.

7. The membrane switch with braille and voice prompt of claim 1, characterized in that: and a rear glue layer (9) is arranged on the bottom surface of the circuit layer (8).

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